Example: stock market

Guide to the expression of uncertainty in …

jcgm 100: 2008 GUM 1995 with minor corrections Evaluation of measurement data Guide to the expression of uncertainty in measurement valuation des donn es de mesure Guide pour l expression de l incertitude de mesure First edition September 2008 jcgm 2008 jcgm 100: 2008 jcgm 2008 All rights reserved Document produced by Working Group 1 of the Joint Committee for Guides in Metrology ( jcgm /WG 1). Copyright of this document is shared jointly by the jcgm member organizations (BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP and OIML).

JCGM 100:2008 GUM 1995 with minor corrections Evaluation of measurement data — Guide to the expression of uncertainty in measurement …

Tags:

  2008, Jcgm, Jcgm 100

Information

Domain:

Source:

Link to this page:

Please notify us if you found a problem with this document:

Other abuse

Transcription of Guide to the expression of uncertainty in …

1 jcgm 100: 2008 GUM 1995 with minor corrections Evaluation of measurement data Guide to the expression of uncertainty in measurement valuation des donn es de mesure Guide pour l expression de l incertitude de mesure First edition September 2008 jcgm 2008 jcgm 100: 2008 jcgm 2008 All rights reserved Document produced by Working Group 1 of the Joint Committee for Guides in Metrology ( jcgm /WG 1). Copyright of this document is shared jointly by the jcgm member organizations (BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP and OIML).

2 Document produit par le Groupe de travail 1 du Comit commun pour les guides en m trologie ( jcgm /WG 1). Les droits d auteur relatifs ce document sont la propri t conjointe des organisations membres du jcgm (BIPM, CEI, IFCC, ILAC, ISO, UICPA, UIPPA et OIML). Copyrights Even if the electronic version of the 2008 edition of the GUM is available free of charge on the BIPM s website ( ), copyright of this document is shared jointly by the jcgm member organizations, and all respective logos and emblems are vested in them and are internationally protected. Third parties cannot rewrite or re-brand, issue or sell copies to the public, broadcast or use on-line this edition of the GUM.

3 For all commercial use, reproduction or translation of this document and/or of the logos, emblems, publications or other creations contained therein, the prior written permission of the Director of the BIPM must be obtained. Droits d auteur M me si une version lectronique de l dition 2008 du GUM peut tre t l charg e gratuitement sur le site internet du BIPM ( ), les droits d auteur relatifs ce document sont la propri t conjointe des organisations membres du jcgm et l ensemble de leurs logos et embl mes respectifs leur appartiennent et font l objet d une protection internationale. Les tiers ne peuvent r crire ou modifier, distribuer ou vendre des copies au public, diffuser ou mettre en ligne, l dition 2008 du GUM.

4 Tout usage commercial, reproduction ou traduction de ce document et/ou des logos, embl mes et/ou publications qu il comporte, doit recevoir l autorisation crite pr alable du directeur du BIPM. First edition 2008 Corrected version 2010 jcgm 2008 September 2008 jcgm 100: 2008 GUM 1995 with minor corrections Evaluation of measurement data Guide to the expression of uncertainty in measurement valuation des donn es de mesure Guide pour l' expression de l'incertitude de mesure jcgm 100: 2008 ii jcgm 2008 All rights reserved Copyright of this jcgm guidance document is shared jointly by the jcgm member organizations (BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP and OIML).

5 Copyright Even if electronic versions are available free of charge on the website of one or more of the jcgm member organizations, economic and moral copyrights related to all jcgm publications are internationally protected. The jcgm does not, without its written authorisation, permit third parties to rewrite or re-brand issues, to sell copies to the public, or to broadcast or use on-line its publications. Equally, the jcgm also objects to distortion, augmentation or mutilation of its publications, including its titles, slogans and logos, and those of its member organizations. Official versions and translations The only official versions of documents are those published by the jcgm , in their original languages.

6 The jcgm s publications may be translated into languages other than those in which the documents were originally published by the jcgm . Permission must be obtained from the jcgm before a translation can be made. All translations should respect the original and official format of the formulae and units (without any conversion to other formulae or units), and contain the following statement (to be translated into the chosen language): All jcgm s products are internationally protected by copyright. This translation of the original jcgm document has been produced with the permission of the jcgm . The jcgm retains full internationally protected copyright on the design and content of this document and on the jcgm s titles, slogan and logos.

7 The member organizations of the jcgm also retain full internationally protected right on their titles, slogans and logos included in the jcgm s publications. The only official version is the document published by the jcgm , in the original languages. The jcgm does not accept any liability for the relevance, accuracy, completeness or quality of the information and materials offered in any translation. A copy of the translation shall be provided to the jcgm at the time of publication. Reproduction The jcgm s publications may be reproduced, provided written permission has been granted by the jcgm . A sample of any reproduced document shall be provided to the jcgm at the time of reproduction and contain the following statement: This document is reproduced with the permission of the jcgm , which retains full internationally protected copyright on the design and content of this document and on the jcgm s titles, slogans and logos.

8 The member organizations of the jcgm also retain full internationally protected right on their titles, slogans and logos included in the jcgm s publications. The only official versions are the original versions of the documents published by the jcgm . Disclaimer The jcgm and its member organizations have published this document to enhance access to information about metrology. They endeavor to update it on a regular basis, but cannot guarantee the accuracy at all times and shall not be responsible for any direct or indirect damage that may result from its use. Any reference to commercial products of any kind (including but not restricted to any software, data or hardware) or links to websites, over which the jcgm and its member organizations have no control and for which they assume no responsibility, does not imply any approval, endorsement or recommendation by the jcgm and its member organizations.

9 jcgm 100: 2008 jcgm 2008 All rights reserved iii Contents Page Preliminary ..v Foreword ..vi 0 1 Scope .. 1 2 Definitions .. 2 General metrological terms .. 2 The term uncertainty .. 2 Terms specific to this 3 3 Basic concepts .. 4 Measurement .. 4 Errors, effects, and corrections .. 5 uncertainty .. 5 Practical considerations .. 7 4 Evaluating standard 8 Modelling the measurement .. 8 Type A evaluation of standard Type B evaluation of standard Graphical illustration of evaluating standard uncertainty .. 15 5 Determining combined standard 18 Uncorrelated input quantities .. 18 Correlated input 21 6 Determining expanded uncertainty .. 23 23 Expanded uncertainty .

10 23 Choosing a coverage factor .. 24 7 Reporting uncertainty .. 24 General guidance .. 24 Specific guidance .. 25 8 Summary of procedure for evaluating and expressing uncertainty .. 27 Annex A Recommendations of Working Group and CIPM .. 28 Recommendation INC-1 (1980) .. 28 Recommendation 1 (CI-1981) .. 29 Recommendation 1 (CI-1986) .. 29 Annex B General metrological terms .. 31 Source of 31 Definitions .. 31 Annex C Basic statistical terms and 39 Source of 39 Definitions .. 39 Elaboration of terms and concepts .. 45 Annex D True value, error, and uncertainty .. 49 The measurand .. 49 The realized 49 The true value and the corrected value .. 49 Error .. 50 jcgm 100: 2008 iv jcgm 2008 All rights reserved uncertainty .


Related search queries